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                    2.5  Java运算符
            
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                    4.1  方法
            
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                    6.2  Java类
            
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                    8.2  继承
            
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                    8.3  多态
            
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                    8.4  本章练习
            
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                    第九章    抽象类和接口
            
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                    9.1  抽象类
            
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                    9.3  本章练习
            
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                    第十章    排序算法
            
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                    10.1  排序算法
            
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<h3 id="1011--&#x5192;&#x6CE1;&#x6392;&#x5E8F;">10.1.1  &#x5192;&#x6CE1;&#x6392;&#x5E8F;</h3>
<p>&#x2003;&#x2003;&#x5192;&#x6CE1;&#x6392;&#x5E8F;&#x5C31;&#x662F;&#x4F9D;&#x6B21;&#x6BD4;&#x8F83;&#x76F8;&#x90BB;&#x7684;&#x4E24;&#x4E2A;&#x6570;&#xFF0C;&#x5C06;&#x5C0F;&#x6570;&#x653E;&#x5728;&#x524D;&#x9762;&#xFF0C;&#x5927;&#x6570;&#x653E;&#x5728;&#x540E;&#x9762;&#x3002;</p>
<p>&#x2003;&#x2003;&#x7B2C;&#x4E00;&#x8F6E;&#xFF1A;&#x9996;&#x5148;&#x6BD4;&#x8F83;&#x7B2C;1&#x4E2A;&#x548C;&#x7B2C;2&#x4E2A;&#x6570;&#xFF0C;&#x5C06;&#x5C0F;&#x6570;&#x653E;&#x524D;&#xFF0C;&#x5927;&#x6570;&#x653E;&#x540E;&#xFF1B;&#x7136;&#x540E;&#x6BD4;&#x8F83;&#x7B2C;2&#x4E2A;&#x6570;&#x548C;&#x7B2C;3&#x4E2A;&#x6570;&#xFF0C;&#x5C06;&#x5C0F;&#x6570;&#x653E;&#x524D;&#xFF0C;&#x5927;&#x6570;&#x653E;&#x540E;&#xFF0C;&#x5982;&#x6B64;&#x7EE7;&#x7EED;&#xFF0C;&#x76F4;&#x81F3;&#x6BD4;&#x8F83;&#x6700;&#x540E;&#x4E24;&#x4E2A;&#x6570;&#xFF0C;&#x5C06;&#x5C0F;&#x6570;&#x653E;&#x524D;&#xFF0C;&#x5927;&#x6570;&#x653E;&#x540E;&#xFF1B;&#x81F3;&#x6B64;&#x7B2C;&#x4E00;&#x8F6E;&#x7ED3;&#x675F;&#xFF0C;&#x5C06;&#x6700;&#x5927;&#x7684;&#x6570;&#x653E;&#x5230;&#x4E86;&#x6700;&#x540E;&#x3002;</p>
<p>&#x2003;&#x2003;&#x7B2C;&#x4E8C;&#x8F6E;&#xFF1A;&#x4ECD;&#x4ECE;&#x7B2C;&#x4E00;&#x5BF9;&#x6570;&#x5F00;&#x59CB;&#x6BD4;&#x8F83;&#xFF0C;&#x5C06;&#x5C0F;&#x6570;&#x653E;&#x524D;&#xFF0C;&#x5927;&#x6570;&#x653E;&#x540E;&#xFF0C;&#x4E00;&#x76F4;&#x6BD4;&#x8F83;&#x5230;&#x5012;&#x6570;&#x7B2C;&#x4E8C;&#x4E2A;&#x6570;&#xFF08;&#x5012;&#x6570;&#x7B2C;&#x4E00;&#x7684;&#x4F4D;&#x7F6E;&#x4E0A;&#x5DF2;&#x7ECF;&#x662F;&#x6700;&#x5927;&#x7684;&#x6570;&#xFF09;&#xFF0C;&#x7B2C;&#x4E8C;&#x8F6E;&#x7ED3;&#x675F;&#xFF0C;&#x5728;&#x5012;&#x6570;&#x7B2C;&#x4E8C;&#x7684;&#x4F4D;&#x7F6E;&#x4E0A;&#x5F97;&#x5230;&#x4E00;&#x4E2A;&#x65B0;&#x7684;&#x6700;&#x5927;&#x6570;&#xFF08;&#x5176;&#x5B9E;&#x5728;&#x6574;&#x4E2A;&#x6570;&#x5217;&#x4E2D;&#x662F;&#x7B2C;&#x4E8C;&#x5927;&#x7684;&#x6570;&#xFF09;&#x3002;</p>
<p>&#x2003;&#x2003;&#x6309;&#x6B64;&#x89C4;&#x5F8B;&#x64CD;&#x4F5C;&#xFF0C;&#x76F4;&#x81F3;&#x6700;&#x7EC8;&#x5B8C;&#x6210;&#x6392;&#x5E8F;&#x3002;&#x7531;&#x4E8E;&#x5728;&#x6392;&#x5E8F;&#x8FC7;&#x7A0B;&#x4E2D;&#x603B;&#x662F;&#x5C0F;&#x6570;&#x5F80;&#x524D;&#x653E;&#xFF0C;&#x5927;&#x6570;&#x5F80;&#x540E;&#x653E;&#xFF0C;&#x7C7B;&#x4F3C;&#x4E8E;&#x5C0F;&#x7684;&#x6C14;&#x6CE1;&#x5F80;&#x4E0A;&#x5347;&#xFF0C;&#x6240;&#x4EE5;&#x79F0;&#x4F5C;&#x5192;&#x6CE1;&#x6392;&#x5E8F;&#x3002;</p>
<p>&#x2003;&#x2003;&#x901A;&#x8FC7;&#x4E0A;&#x9762;&#x7684;&#x5206;&#x6790;&#x53EF;&#x4EE5;&#x770B;&#x51FA;&#xFF0C;&#x5047;&#x8BBE;&#x9700;&#x8981;&#x6392;&#x5E8F;&#x7684;&#x5E8F;&#x5217;&#x7684;&#x4E2A;&#x6570;&#x662F;n&#xFF0C;&#x5219;&#x9700;&#x8981;&#x7ECF;&#x8FC7;n-1&#x8F6E;&#xFF0C;&#x6700;&#x7EC8;&#x5B8C;&#x6210;&#x6392;&#x5E8F;&#x3002;&#x5728;&#x7B2C;&#x4E00;&#x8F6E;&#x4E2D;&#xFF0C;&#x6BD4;&#x8F83;&#x7684;&#x6B21;&#x6570;&#x662F;n-1&#x6B21;&#xFF0C;&#x4E4B;&#x540E;&#x6BCF;&#x8F6E;&#x51CF;&#x5C11;1&#x6B21;&#x3002;</p>
<p>&#x2003;&#x2003;&#x7528;Java&#x8BED;&#x8A00;&#x5B9E;&#x73B0;&#x5192;&#x6CE1;&#x6392;&#x5E8F;&#xFF0C;&#x53EF;&#x4EE5;&#x7528;&#x53CC;&#x91CD;for&#x5FAA;&#x73AF;&#x5B9E;&#x73B0;&#xFF0C;&#x5176;&#x6838;&#x5FC3;&#x4EE3;&#x7801;&#x5982;&#x4E0B;&#x3002;</p>
<pre><code>static void bubbleSort(int[] a) {                                  //&#x5F15;&#x7528;&#x4F20;&#x9012;

    int temp;

    //&#x6570;&#x7EC4;&#x7684;&#x957F;&#x5EA6;&#x53EF;&#x4EE5;&#x901A;&#x8FC7;&#x201C;&#x6570;&#x7EC4;&#x540D;.length&#x201D;&#x83B7;&#x5F97;

    for (int i = 0; i &lt; a.length-1; i++) {                   //&#x9700;&#x8981;&#x6BD4;&#x8F83;n-1&#x8F6E;

        for (int j = 0; j &lt; a.length-i-1 ; j++) {      //&#x6839;&#x636E;a.length-i-1&#xFF0C;&#x6BCF;&#x8F6E;&#x9700;&#x8981;&#x6BD4;&#x8F83;&#x7684;&#x6B21;&#x6570;&#x9010;&#x8F6E;&#x51CF;&#x5C11;1&#x6B21;

            if (a[j] &gt; a[j+1]) {                           //&#x76F8;&#x90BB;&#x6570;&#x8FDB;&#x884C;&#x6BD4;&#x8F83;&#xFF0C;&#x7B26;&#x5408;&#x6761;&#x4EF6;&#x8FDB;&#x884C;&#x66FF;&#x6362;

                temp = a[j];

                a[j] = a[j+1];

                a[j+1] = temp;

            }

        }

    }

}
</code></pre><h3 id="1012--&#x63D2;&#x5165;&#x6392;&#x5E8F;">10.1.2  &#x63D2;&#x5165;&#x6392;&#x5E8F;</h3>
<p>&#x2003;&#x2003;&#x63D2;&#x5165;&#x6392;&#x5E8F;&#x5305;&#x62EC;&#x76F4;&#x63A5;&#x63D2;&#x5165;&#x6392;&#x5E8F;&#x3001;&#x4E8C;&#x5206;&#x63D2;&#x5165;&#x6392;&#x5E8F;&#x3001;&#x94FE;&#x8868;&#x63D2;&#x5165;&#x6392;&#x5E8F;&#x548C;&#x5E0C;&#x5C14;&#x6392;&#x5E8F;&#x3002;&#x63A5;&#x4E0B;&#x6765;&#x4ECB;&#x7ECD;&#x6700;&#x7B80;&#x5355;&#x7684;&#x76F4;&#x63A5;&#x63D2;&#x5165;&#x6392;&#x5E8F;&#x3002;</p>
<p>&#x2003;&#x2003;&#x76F4;&#x63A5;&#x63D2;&#x5165;&#x6392;&#x5E8F;&#x5B58;&#x5728;&#x4E24;&#x4E2A;&#x8868;&#xFF0C;&#x4E00;&#x4E2A;&#x662F;&#x6709;&#x5E8F;&#x8868;&#xFF0C;&#x53E6;&#x4E00;&#x4E2A;&#x662F;&#x65E0;&#x5E8F;&#x8868;&#x3002;&#x6BCF;&#x6B21;&#x4ECE;&#x65E0;&#x5E8F;&#x8868;&#x4E2D;&#x53D6;&#x51FA;&#x7B2C;&#x4E00;&#x4E2A;&#x5143;&#x7D20;&#xFF0C;&#x628A;&#x5B83;&#x63D2;&#x5165;&#x5230;&#x6709;&#x5E8F;&#x8868;&#x7684;&#x5408;&#x9002;&#x4F4D;&#x7F6E;&#xFF0C;&#x4F7F;&#x6709;&#x5E8F;&#x8868;&#x4ECD;&#x7136;&#x6709;&#x5E8F;&#x3002;</p>
<p>&#x2003;&#x2003;&#x7B2C;&#x4E00;&#x8F6E;&#xFF1A;&#x6BD4;&#x8F83;&#x65E0;&#x5E8F;&#x8868;&#x4E2D;&#x524D;&#x4E24;&#x4E2A;&#x6570;&#xFF0C;&#x7136;&#x540E;&#x6309;&#x987A;&#x5E8F;&#x63D2;&#x5165;&#x5230;&#x6709;&#x5E8F;&#x8868;&#x4E2D;&#xFF0C;&#x5269;&#x4E0B;&#x7684;&#x6570;&#x4ECD;&#x5728;&#x65E0;&#x5E8F;&#x8868;&#x4E2D;&#x3002;</p>
<p>&#x2003;&#x2003;&#x7B2C;&#x4E8C;&#x8F6E;&#xFF1A;&#x628A;&#x65E0;&#x5E8F;&#x8868;&#x4E2D;&#x5269;&#x4E0B;&#x7684;&#x7B2C;&#x4E00;&#x4E2A;&#x6570;&#x4E0E;&#x6709;&#x5E8F;&#x8868;&#x7684;&#x4E24;&#x4E2A;&#x6570;&#x8FDB;&#x884C;&#x6BD4;&#x8F83;&#xFF0C;&#x7136;&#x540E;&#x628A;&#x8FD9;&#x4E2A;&#x6570;&#x63D2;&#x5165;&#x5230;&#x5408;&#x9002;&#x4F4D;&#x7F6E;&#x3002;</p>
<p>&#x2003;&#x2003;&#x6309;&#x6B64;&#x89C4;&#x5F8B;&#x64CD;&#x4F5C;&#xFF0C;&#x76F4;&#x81F3;&#x65E0;&#x5E8F;&#x8868;&#x4E2D;&#x7684;&#x6570;&#x5168;&#x90E8;&#x63D2;&#x5165;&#x5230;&#x6709;&#x5E8F;&#x8868;&#xFF0C;&#x5B8C;&#x6210;&#x6392;&#x5E8F;&#x3002;</p>
<p>&#x2003;&#x2003;&#x7528;Java&#x8BED;&#x8A00;&#x5B9E;&#x73B0;&#x76F4;&#x63A5;&#x63D2;&#x5165;&#x6392;&#x5E8F;&#x7684;&#x6838;&#x5FC3;&#x4EE3;&#x7801;&#x5982;&#x4E0B;&#x3002;</p>
<pre><code>static void insertSort(int[] a) {                          //&#x5F15;&#x7528;&#x4F20;&#x9012;

    for(int i = 1;i &lt; a.length; i++){

        int j = -1;

        while(j &lt;= i &amp;&amp; a[i] &gt; a[++j]){     //&#x627E;&#x5230;a[i]&#x5E94;&#x8BE5;&#x6446;&#x653E;&#x7684;&#x4F4D;&#x7F6E;

            if(j &lt; i){

                //&#x5C06;j&#x4E4B;&#x540E;&#x7684;&#x6570;&#x636E;&#x79FB;&#x52A8;&#x4E00;&#x4F4D;&#xFF0C;&#x7136;&#x540E;&#x628A;a[i]&#x79FB;&#x52A8;&#x5230;j&#x5904;

                int temp = a[i];

                for(int k = i-1;k &gt;= j;k--){

                a[k+1] = a[k];

            }

            a[j] = temp;

        }

    }

}
</code></pre><p>&#x2003;&#x2003;&#x76F4;&#x63A5;&#x63D2;&#x5165;&#x6392;&#x5E8F;&#x6CA1;&#x6709;&#x5145;&#x5206;&#x5730;&#x5229;&#x7528;&#x201C;&#x5DF2;&#x63D2;&#x5165;&#x7684;&#x6570;&#x636E;&#x5DF2;&#x7ECF;&#x6392;&#x5E8F;&#x201D;&#x8FD9;&#x4E2A;&#x4E8B;&#x5B9E;&#xFF0C;&#x56E0;&#x6B64;&#x6709;&#x5F88;&#x591A;&#x9488;&#x5BF9;&#x76F4;&#x63A5;&#x63D2;&#x5165;&#x6392;&#x5E8F;&#x6539;&#x8FDB;&#x7684;&#x7B97;&#x6CD5;&#xFF0C;&#x4F8B;&#x5982;&#x4E8C;&#x5206;&#x63D2;&#x5165;&#x6392;&#x5E8F;&#x7B49;&#xFF0C;&#x8FD9;&#x91CC;&#x4E0D;&#x518D;&#x8D58;&#x8FF0;&#x3002;</p>

                                
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